476 



CORRELATION OF DISTRIBUTIONAL FEATURES. 



Table 137. — Climatic extremes for Parietaria debilis. 



Plate 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 43 

 44 

 45 



46 



47 

 48 

 49 

 50 

 51 

 62 



53 

 54 



58 

 59 

 60 



63 



65 

 66 



68 



69 



70 

 71 



72 



(/«). 



Temperature: 



Daya in normal frostless season 



Hot days, fs 



Cold days, fs 



Remainder summation above 32°, year (thousands) . 



Remainder summation above 39°, fs (thousands) . . . . 



Exponential summation, fs (hundreds) 



Physiological summation, fs (thousands) 



Absolute minimum 



Normal daily mean, coldest 14 days of year (°F.) . . . 



Normal daily mean, hottest 6 weeks of year (°F.) . . . 



Normal daily mean, year (°F.) 



Precipitation: 



Normal daily mean, fs (inch) 



Normal No. rainy days (over 0.10 inch), fs 



Normal No. dry days (0.10 inch or less); fs 



Dry daya, percentage of total, fs (per cent) 



Days in longest normal rainy period, fs 



Days in longest normal dry period, fs 



Mean ttttial, year (inches) 



Evaporation: 



Daily mean, 1887-88, fs (inch) 



Total annual, 1887-88 (inches) 



Moisture ratios: 



Normal P/E, fs 



Normal ir/E, fs 



Normal P/E, year 



Vapor pressure: 



Normal mean, fs (hundredths inch) 



Humidity: 



Normal mean, fs (per cent) 



Normal mean, year (per cent) 



Wind: 



Normal mean hourly velocity, fs (miles) 



Sunshine: 



Normal total duration, fs (hours) 



Moisture-temperature indices: 



Normal P/E X T, fs, remainder method 



Normal P/E X T, fs, exponenti^J method 



Normal P/E X T, fs, physiological method 



Low. 

 198 

 54 





 11.5 



7.3 



7.6 



8.4 

 -9 

 30" 

 71.6 

 55 



.020 





 26 



8 





 14 

 10- 



.102 

 37.0 



.12 

 .13 

 .03 



300 



36.3 



38.8 



4.5 



2,123 



98 



906 



1,790 



High. 



334 



365 

 

 26.0 + 

 10.6 

 11.8 

 21.4 

 +32 

 54 



78.8 

 70 + 



.172 



284 

 294 

 100 

 157 

 299 

 60 + 



.273 

 95.7 



1.36 

 1.52 

 1.47 



675 



81.9 

 85.2 



12.3 



2,995 



1.314 

 12,106 

 23,652 



Table 138. — Climatic extremes for Kallsircemia grandijlora. 



Plate Temperature: 



34 Days in normal frostless season (/s) 



35 Hot days, fs 



36 Cold days, fs 



37 Remainder summation above 32°, year (thousands) . 



38 Remainder summation above 39°, fs (thousands) . . . 



39 Exponential summation, fs (hundreds) 



40 Physiological summation, fs (thousands) 



41 Absolute minimum 



43 Normal daily mean, coldest 14 days of year (°F.) . . . 



44 Normal daily mean, hottest 6 weeks of year (°F.) . . 



45 Normal daily mean, year (°F.) 



Precipitation: 



46 Normal daily mean, fs (inch) 



47 Normal No. rainy days (over 0.10 inch)? fs 



48 Normal No. dry days (0.10 inch or less), fs 



49 Dry days, percentage of total, fs (per cent) 



50 Days in longest normal rainy period, fs 



51 Days in longest normal dry period, fs 



52 Mean total, year (inches) 



